# Airworthiness directives that may apply: N309CQ

A list on [N309CQ](https://openairdocs.org/aircraft/N309CQ.md).

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

- [AD 2020-13-01](https://openairdocs.org/ad/2020-13-01.md): Landing Gear · Effective Aug 17, 2020
- [AD 2020-04-13](https://openairdocs.org/ad/2020-04-13.md): Charts · Effective Apr 1, 2020
- [AD 2016-06-06](https://openairdocs.org/ad/2016-06-06.md): Elevator Control System · Effective Apr 22, 2016
- [AD 2015-02-15](https://openairdocs.org/ad/2015-02-15.md): Elevator skins · Effective Feb 19, 2015
- [AD 2011-25-04](https://openairdocs.org/ad/2011-25-04.md): Engine Air Intake System · Effective Dec 19, 2011
- [AD 2022-08-13](https://openairdocs.org/ad/2022-08-13.md): Turbine Section · Effective May 27, 2022
- [AD 2014-11-05](https://openairdocs.org/ad/2014-11-05.md): Reinforcement liner to the power turbine (PT) containment ring and, for certain PT containment rings, adding scallops · Effective Aug 5, 2014
- [AD 2011-25-12](https://openairdocs.org/ad/2011-25-12.md): Sun gear · Effective Dec 28, 2011
- [AD 2011-20-51](https://openairdocs.org/ad/2011-20-51.md): Gears · Emergency AD · Effective Nov 1, 2011
- [AD 2002-23-13](https://openairdocs.org/ad/2002-23-13.md): Turbine Exhaust Ducts · Effective Dec 31, 2002
- [AD 97-04-12](https://openairdocs.org/ad/97-04-12.md): Compressor Bleed-off Valve · Effective Mar 14, 1997
- [AD 92-15-11](https://openairdocs.org/ad/92-15-11.md): Compressor Delivery Air Line (P3) Filter Assembly · Effective Aug 17, 1992
- [AD 90-12-05](https://openairdocs.org/ad/90-12-05.md): Engine Overhaul · Effective May 30, 1990
- [AD 80-08-12](https://openairdocs.org/ad/80-08-12.md): Fuel Pump Drive Coupling Splines · Effective Apr 18, 1980
- [AD 75-06-01](https://openairdocs.org/ad/75-06-01.md): Gearbox Deterioration · Effective Apr 1, 1977
- [AD 75-11-04](https://openairdocs.org/ad/75-11-04.md): Reduction Gearbox Engine Distress · Effective May 20, 1975

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.ad_number, d.status, d.subject, d.effective_date, m.matched_by
FROM (
  SELECT ad_id, min(rank) AS rank, arg_min(matched_by, rank) AS matched_by
  FROM (SELECT ad_id, 1 AS rank, 'airframe' AS matched_by FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code = '7320005'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '52250')
  GROUP BY ad_id
) m JOIN 'https://openairdocs.org/data/latest/faa_directive.parquet' d USING (ad_id)
ORDER BY d.status = 'Historical', m.rank, coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/aircraft/N309CQ/ads

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.